9. Which substance is an element? Α. ΝΟ, B NaCl CN D CHI 10. Ain) is...
9. Which substance is an element? Α. ΝΟ, B NaCl CN D CHI 10. Ain) is a fixed number of atoms held together by chemical bonde in a certain spatial arrangement. A. element Bion C. molecule D. mixture 11. Which of the following is the chemical symbol for silver? A. Au В. РЫ C. Ag D. Fe 12. Which of the following is a pure substance? A Lemonade B. Concrete C. Gasoline D. Silver wire 13. In the periodic table, which elements typically have similar properties? A Those in the same rows B. Those related diagonally Type here to search